Lines Matching refs:dudx
1298 const float dudx = (trans10.x() - trans00.x()) * (float)texWidth / dstSize.x();
1303 return deFloatLog2(deFloatSqrt(de::max(dudx*dudx + dvdx*dvdx, dudy*dudy + dvdy*dvdy)));
1639 const float dudx = (trans10.x() - trans00.x()) * (float)srcWidth / dstSize.x();
1646 return deFloatLog2(deFloatSqrt(de::max(dudx*dudx + dvdx*dvdx + dwdx*dwdx, dudy*dudy + dvdy*dvdy + dwdy*dwdy)));